package cn.tedu._04mybatis.mapper;

import cn.tedu._04mybatis.pojo.entity.Comment;
import cn.tedu._04mybatis.pojo.vo.CommentVO1;
import cn.tedu._04mybatis.pojo.vo.CommentVO2;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CommentMapper {
    @Insert("INSERT INTO comment(content,created,user_id,weibo_id) VALUES(#{content},#{created},#{userId},#{weiboId})")
    int insertComment(Comment comment);
    @Delete("DELETE FROM comment WHERE id=#{cid}")
    int deleteById(Long id);
    @Update("UPDATE comment SET content=#{content},created=#{created},user_id=#{userId},weibo_id=#{weiboId} WHERE id=#{id}")
    int updateByid(Comment comment);
    @Select("SELECT content,user_id userId,weibo_id weiboId FROM comment WHERE id=#{cid}")
    CommentVO1 selectCommentById1(Long cid);
    @Select("SELECT content,user_id userId FROM comment WHERE weibo_id=#{wid}")
    List<CommentVO2>selectCommentById2(Long wid);

}









































